Granted Patent
Utility
US 4,808,646 · App. 07/062,805
Maleimide-maleamic acid resin solution
Inventor:
Ronald H. Dahms
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Jun 15, 1987
Inventor
Ronald H. Dahms
Assignee (at issue)
Monsanto Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.